var page = require('webpage').create();
page.viewportSize={
    width:1400,
    height:500
};
page.open('http://m.ctrip.com/html5/hotel/hoteldetail/1484849.html',function(status){
    page.render('h.jpg',{format:'jpeg',quality:100});
    phantom.exit();
});page.onResourceReceived = function(response) {
  console.log('Response (#' + response.id + ', stage "' + response.stage + '"): ' + JSON.stringify(response));
};